public class WebViewClient extends Object
Modifier and Type | Field and Description |
---|---|
static int |
ERROR_AUTHENTICATION
User authentication failed on server
|
static int |
ERROR_BAD_URL
Malformed URL
|
static int |
ERROR_CONNECT
Failed to connect to the server
|
static int |
ERROR_FAILED_SSL_HANDSHAKE
Failed to perform SSL handshake
|
static int |
ERROR_FILE
Generic file error
|
static int |
ERROR_FILE_NOT_FOUND
File not found
|
static int |
ERROR_HOST_LOOKUP
Server or proxy hostname lookup failed
|
static int |
ERROR_IO
Failed to read or write to the server
|
static int |
ERROR_PROXY_AUTHENTICATION
User authentication failed on proxy
|
static int |
ERROR_REDIRECT_LOOP
Too many redirects
|
static int |
ERROR_TIMEOUT
Connection timed out
|
static int |
ERROR_TOO_MANY_REQUESTS
Too many requests during this load
|
static int |
ERROR_UNKNOWN
Generic error
|
static int |
ERROR_UNSUPPORTED_AUTH_SCHEME
Unsupported authentication scheme (not basic or digest)
|
static int |
ERROR_UNSUPPORTED_SCHEME
Unsupported URI scheme
|
Constructor and Description |
---|
WebViewClient() |
Modifier and Type | Method and Description |
---|---|
void |
doUpdateVisitedHistory(WebView view,
String url,
boolean isReload)
Notify the host application to update its visited links database.
|
void |
onFormResubmission(WebView view,
Message dontResend,
Message resend)
As the host application if the browser should resend data as the
requested page was a result of a POST.
|
void |
onLoadResource(WebView view,
String url)
Notify the host application that the WebView will load the resource
specified by the given url.
|
void |
onPageFinished(WebView view,
String url)
Notify the host application that a page has finished loading.
|
void |
onPageStarted(WebView view,
String url,
Bitmap favicon)
Notify the host application that a page has started loading.
|
void |
onReceivedError(WebView view,
int errorCode,
String description,
String failingUrl)
Report an error to the host application.
|
void |
onReceivedHttpAuthRequest(WebView view,
HttpAuthHandler handler,
String host,
String realm)
Notifies the host application that the WebView received an HTTP
authentication request.
|
void |
onReceivedLoginRequest(WebView view,
String realm,
String account,
String args)
Notify the host application that a request to automatically log in the
user has been processed.
|
void |
onReceivedSslError(WebView view,
SslErrorHandler handler,
SslError error)
Notify the host application that an SSL error occurred while loading a
resource.
|
void |
onScaleChanged(WebView view,
float oldScale,
float newScale)
Notify the host application that the scale applied to the WebView has
changed.
|
void |
onTooManyRedirects(WebView view,
Message cancelMsg,
Message continueMsg)
Deprecated.
This method is no longer called. When the WebView encounters
a redirect loop, it will cancel the load.
|
void |
onUnhandledKeyEvent(WebView view,
KeyEvent event)
Notify the host application that a key was not handled by the WebView.
|
WebResourceResponse |
shouldInterceptRequest(WebView view,
String url)
Notify the host application of a resource request and allow the
application to return the data.
|
boolean |
shouldOverrideKeyEvent(WebView view,
KeyEvent event)
Give the host application a chance to handle the key event synchronously.
|
boolean |
shouldOverrideUrlLoading(WebView view,
String url)
Give the host application a chance to take over the control when a new
url is about to be loaded in the current WebView.
|
public static final int ERROR_UNKNOWN
public static final int ERROR_HOST_LOOKUP
public static final int ERROR_UNSUPPORTED_AUTH_SCHEME
public static final int ERROR_AUTHENTICATION
public static final int ERROR_PROXY_AUTHENTICATION
public static final int ERROR_CONNECT
public static final int ERROR_IO
public static final int ERROR_TIMEOUT
public static final int ERROR_REDIRECT_LOOP
public static final int ERROR_UNSUPPORTED_SCHEME
public static final int ERROR_FAILED_SSL_HANDSHAKE
public static final int ERROR_BAD_URL
public static final int ERROR_FILE
public static final int ERROR_FILE_NOT_FOUND
public static final int ERROR_TOO_MANY_REQUESTS
public boolean shouldOverrideUrlLoading(WebView view, String url)
view
- The WebView that is initiating the callback.url
- The url to be loaded.public void onPageStarted(WebView view, String url, Bitmap favicon)
view
- The WebView that is initiating the callback.url
- The url to be loaded.favicon
- The favicon for this page if it already exists in the
database.public void onPageFinished(WebView view, String url)
WebView.PictureListener#onNewPicture
.view
- The WebView that is initiating the callback.url
- The url of the page.public void onLoadResource(WebView view, String url)
view
- The WebView that is initiating the callback.url
- The url of the resource the WebView will load.public WebResourceResponse shouldInterceptRequest(WebView view, String url)
view
- The WebView
that is requesting the
resource.url
- The raw url of the resource.WebResourceResponse
containing the
response information or null if the WebView should load the
resource itself.@Deprecated public void onTooManyRedirects(WebView view, Message cancelMsg, Message continueMsg)
view
- The WebView that is initiating the callback.cancelMsg
- The message to send if the host wants to cancelcontinueMsg
- The message to send if the host wants to continuepublic void onReceivedError(WebView view, int errorCode, String description, String failingUrl)
view
- The WebView that is initiating the callback.errorCode
- The error code corresponding to an ERROR_* value.description
- A String describing the error.failingUrl
- The url that failed to load.public void onFormResubmission(WebView view, Message dontResend, Message resend)
view
- The WebView that is initiating the callback.dontResend
- The message to send if the browser should not resendresend
- The message to send if the browser should resend datapublic void doUpdateVisitedHistory(WebView view, String url, boolean isReload)
view
- The WebView that is initiating the callback.url
- The url being visited.isReload
- True if this url is being reloaded.public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error)
view
- The WebView that is initiating the callback.handler
- An SslErrorHandler object that will handle the user's
response.error
- The SSL error object.public void onReceivedHttpAuthRequest(WebView view, HttpAuthHandler handler, String host, String realm)
HttpAuthHandler
to set the WebView's response to the request.
The default behavior is to cancel the request.view
- the WebView that is initiating the callbackhandler
- the HttpAuthHandler used to set the WebView's responsehost
- the host requiring authenticationrealm
- the realm for which authentication is requiredWebview#getHttpAuthUsernamePassword
public boolean shouldOverrideKeyEvent(WebView view, KeyEvent event)
view
- The WebView that is initiating the callback.event
- The key event.public void onUnhandledKeyEvent(WebView view, KeyEvent event)
view
- The WebView that is initiating the callback.event
- The key event.public void onScaleChanged(WebView view, float oldScale, float newScale)
view
- he WebView that is initiating the callback.oldScale
- The old scale factornewScale
- The new scale factorpublic void onReceivedLoginRequest(WebView view, String realm, String account, String args)
view
- The WebView requesting the login.realm
- The account realm used to look up accounts.account
- An optional account. If not null, the account should be
checked against accounts on the device. If it is a valid
account, it should be used to log in the user.args
- Authenticator specific arguments used to log in the user.